diff --git a/database/db.sql b/database/db.sql
index 4be9b36..e083278 100644
--- a/database/db.sql
+++ b/database/db.sql
@@ -65,9 +65,9 @@ CREATE TABLE IF NOT EXISTS calendario (
        hora_inicio_tarde TIME,
        hora_fin_tarde TIME,
        horario VARCHAR(15) NOT NULL,
-       sabado_habil BOOLEAN,
-       domingo_habil BOOLEAN,
-       duracion_cita_por_defecto INT,
+       sabado_habil BOOLEAN DEFAULT FALSE,
+       domingo_habil BOOLEAN DEFAULT FALSE,
+       duracion_cita_por_defecto INT DEFAULT 60,
        medico INT,
        PRIMARY KEY (id, medico),
        FOREIGN KEY (medico)